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yulei
2025-03-15 10:27:18 +08:00
parent 118f25ab3d
commit 18386ffd9f
1047 changed files with 0 additions and 0 deletions
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50
nodemcuv2/TFT_eSPI/TFT_Drivers/ST7796_Rotation.h Normal file
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// This is the command sequence that rotates the ST7796 driver coordinate frame
rotation = m % 8; // Limit the range of values to 0-7
writecommand(TFT_MADCTL);
switch (rotation) {
case 0:
writedata(TFT_MAD_MX | TFT_MAD_COLOR_ORDER);
_width = _init_width;
_height = _init_height;
break;
case 1:
writedata(TFT_MAD_MV | TFT_MAD_COLOR_ORDER);
_width = _init_height;
_height = _init_width;
break;
case 2:
writedata(TFT_MAD_MY | TFT_MAD_COLOR_ORDER);
_width = _init_width;
_height = _init_height;
break;
case 3:
writedata(TFT_MAD_MX | TFT_MAD_MY | TFT_MAD_MV | TFT_MAD_COLOR_ORDER);
_width = _init_height;
_height = _init_width;
break;
// These next rotations are for bottom up BMP drawing
case 4:
writedata(TFT_MAD_MX | TFT_MAD_MY | TFT_MAD_COLOR_ORDER);
_width = _init_width;
_height = _init_height;
break;
case 5:
writedata(TFT_MAD_MV | TFT_MAD_MX | TFT_MAD_COLOR_ORDER);
_width = _init_height;
_height = _init_width;
break;
case 6:
writedata(TFT_MAD_COLOR_ORDER);
_width = _init_width;
_height = _init_height;
break;
case 7:
writedata(TFT_MAD_MY | TFT_MAD_MV | TFT_MAD_COLOR_ORDER);
_width = _init_height;
_height = _init_width;
break;
}